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Merck
CN

70340

Naphthenic acid

technical

Synonym(s):

Acidol (petroleum by-product), Sunaptic B

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About This Item

CAS Number:
UNSPSC Code:
12352100
NACRES:
NA.22
EC Number:
215-662-8
MDL number:
Form:
liquid
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grade

technical

Quality Level

form

liquid

acid value

~215

density

0.92 g/mL at 20 °C (lit.)

SMILES string

OC(=O)CCC1CC(CC1)CC

InChI

1S/C10H18O2/c1-2-8-3-4-9(7-8)5-6-10(11)12/h8-9H,2-7H2,1H3,(H,11,12)

InChI key

WVRFSLWCFASCIS-UHFFFAOYSA-N

Application

Naphthenic acid is commonly used in the synthesis of useful metal naphthenates such as copper naphthenate, a wood preservative; titanium naphthenate, a precursor for the preparation of titanium oxide thin films and a rare earth naphthenate, a lubricant oil additive. It can also be in the synthesis of biodegradable naphthenic acid ionic liquids.

Analysis Note

petroleum product, techn. mixture of alkylated cyclopentane carboxic acids


pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Storage Class

10 - Combustible liquids

flash_point_f

213.8 °F - closed cup

flash_point_c

101 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter



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A review of the occurrence, analyses, toxicity, and biodegradation of naphthenic acids.
Clemente J S and Fedorak P M
Chemosphere, 60(5), 585-600 (2005)
Biodegradable naphthenic acid ionic liquids: synthesis, characterization, and quantitative structure?biodegradation relationship.
Yu Y, et al.
Chemistry?A European Journal , 14(35), 11174-11182 (2008)
Steven D Melvin et al.
Environmental pollution (Barking, Essex : 1987), 177, 22-27 (2013-03-08)
Naphthenic acids (NA) are used in a variety of commercial and industrial applications, and are primary toxic components of oil sands wastewater. We investigated developmental and metabolic responses of tadpoles exposed to sub-lethal concentrations of a commercial NA blend throughout



Global Trade Item Number

SKUGTIN
70340-250ML04061832821382
70340-1L04061832821368